<template>
	<div class="login-container">
		<el-form ref="loginForm" class="login-form" :model="loginForm" :rules="rules">
			<h3 class="title">蘑菇云后台管理系统</h3>
			<el-form-item prop="userName">
				<span class="svg-container svg-container_login">
					<svg-icon icon-class="user"/>
				</span>				
				<el-input placeholder="用户名" v-model="loginForm.userName" @keyup.enter.native="test" />
			</el-form-item>
			<el-form-item prop="password">
				<span class="svg-container">
					<svg-icon icon-class="password"/>
				</span>				
				<el-input :type="passwordType" placeholder="password" v-model="loginForm.password" />
				<span class="show-pwd" @click="showPassword">
					<svg-icon icon-class="eye"/>
				</span>				
			</el-form-item>	
			<el-form-item>
				<el-button type="primary" style="width:100%;" @click="login">登录</el-button>
			</el-form-item>		
		</el-form>
		<!--引入粒子特效-->
		<vue-particles
		color="#fff"
		:particleOpacity="0.7"
		:particlesNumber="60"
		shapeType="circle"
		:particleSize="4"
		linesColor="#fff"
		:linesWidth="1"
		:lineLinked="true"
		:lineOpacity="0.4"
		:linesDistance="150"
		:moveSpeed="2"
		:hoverEffect="true"
		hoverMode="grab"
		:clickEffect="true"
		clickMode="push"
		class="lizi"
		>
		</vue-particles>		
	</div>
</template>

<script>
export default {
	data(){
		return {
			loginForm: {
				userName: "",
				password: ""
			},
			passwordType: "password",
			rules: {
				userName: [
					{
						type: "string",
						required: true,
						trigger: "blur",
						validator: (rule, value, callback) => {
							callback();
						}	
					}
				],
				password: [
					{
						type: "string",
						required: true,
						trigger: "change",
						validator: (rule, value, callback) => {
							if (value.length < 5) {
								callback(new Error("密码不能小于5位"));
							} else {
								callback();
							}							
						}
					}
				]
			}
		}
	},
	methods: {
		test(){
			alert(this.loginForm.userName);
		},
		showPassword(){
			if(this.passwordType === "password"){
				this.passwordType = "text";
			}else{
				this.passwordType = "password";
			}
		},
		login(){
			this.$refs.loginForm.validate(isValid => {
				if(isValid){
					console.log("校验OK.");
					this.$store
						.dispatch("Login", this.loginForm)
						.then(response => {
							console.log(response);
							if (response.data.code == "success") {
								this.$router.push({ path: this.redirect || "/" });
							} else {
								this.$message.error(response.data);
							}
						})
						.catch(() => {
							console.error("请求响应出错了.")
						});					
				}else{
					console.error("校验failed.");
					return false;
				}
			});
		}
	}
}
</script>

<style rel="stylesheet/scss" lang="scss">
$bg: #2d3a4b;
$light_gray: #eee;

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      &:-webkit-autofill {
        -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: #fff !important;
      }
    }
  }
  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
.login-container {
  position: fixed;
  height: 100%;
  width: 100%;
  background-color: $bg;
  .login-form {
    position: absolute;
    left: 0;
    right: 0;
    width: 520px;
    max-width: 100%;
    padding: 35px 35px 15px 35px;
    margin: 120px auto;
  }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }
  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
    &_login {
      font-size: 20px;
    }
  }
  .title {
    font-size: 26px;
    font-weight: 400;
    color: $light_gray;
    margin: 0px auto 40px auto;
    text-align: center;
    font-weight: bold;
  }
  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>